1.

A solution contains 40 g ofcommon salt in 320 g of water.Calculate the concentration in terms ofmass by mass percentage of thesolution.

Answer»

Ans :- Mass of solute - NaCl =40gmMass of solvent - water =320gmMass of solution =(40+320) gm=360gmConcentration in terms of Mass by mass percentage =(mass of solute /mass of solution) *100=(40/360)*100%=11.11%



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